sometimes
Explanation:
weather may change in an irrevalent way ,
( sometimes harsh and sometimes gentle ) we never know what happens in the future
1) Learn the way/what animals eat
2) Learn more about humans to solve/cure diseases
3) To increase intelligence
4) Saftey of Earth (humans,animals,plants,etc.)
In geography, regions are areas that are broadly divided by physical characteristics(physical<span> geography), human impact </span>characteristics<span> (human geography), and the interaction of humanity and the environment (environmental geography).</span>